failed to apply patch after dry run:
patching file net/xfrm/xfrm_state.c
patching file net/xfrm/xfrm_state.c
Hunk #1 FAILED at 929.
Hunk #2 succeeded at 983 (offset 43 lines).
Hunk #3 succeeded at 1553 (offset -2 lines).
Hunk #4 succeeded at 1719 (offset -2 lines).
1 out of 4 hunks FAILED -- saving rejects to file net/xfrm/xfrm_state.c.rej